based on 4C ex.2
Expand the sentences and include the given words, as in the example. Do the task in your copy-book.

1. I ask Ben/to email you/file/he come in. (as soon as)
   [ ]
2. we waste energy/we leave appliances on standby all night. (when)
3. you restart your computer/run virus scan. (after)
4. you buy/some paper/for printer? (when)
5. switch off/all computers/you leave/classroom. (before)

Sources:

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